Solve the system of equations 2x-y=1; x+2y=8 graphically and find the coordinates of the points where corresponding lines intersect y-axis.
Symbol
Search
App Store
Google Play
Calculator search results
Find the sum
Answer
See the solving process
$- 4$
Find the sum of the negative numbers
$\color{#FF6800}{ - } 2 \color{#FF6800}{ - } 2$
$ $ Put negative numbers in parentheses $ $
$\color{#FF6800}{ - } \left ( 2 + 2 \right )$
$- \left ( \color{#FF6800}{ 2 } \color{#FF6800}{ + } \color{#FF6800}{ 2 } \right )$
$ $ Add $ 2 $ and $ 2$
$- \color{#FF6800}{ 4 }$
Solution search results
$=1$ $\bar{x} $ $z1x$ $2$ $2$ $-$ $2$ $3\vec{2} $ $\bar{2} $ $-2$
7th-9th grade
Other
Check solution
$--2$ $-2$ $-2$ $\dfrac {1} {2}$ $+$ $-$ $3$ $\dfrac {1} {4}$
7th-9th grade
Other
Check solution
-2 3 -2 -2
7th-9th grade
Other
Check solution
$4.$ $5^{-2}-2^{-2}$
7th-9th grade
Other
Check solution
$\left(1\right)$ $\left(\dfrac {1} {2}\longdiv{}2+\left(\dfrac {1} {3}\longdiv{}2+\left(\dfrac {1} {4}\longdiv{}2$
7th-9th grade
Other
Check solution
$-2$ $-2$ $-2$ fy $\left(\dfrac {1} {2}\right)$ $+\left(\dfrac {1} {3}\right)$ $+\left(\dfrac {1} {4}\right)$
10th-13th grade
Other
Check solution
Have you found the solution you wanted?
Try again
Try more features at Qanda!
Search by problem image
Ask 1:1 question to TOP class teachers
AI recommend problems and video lecture
App Store
Google Play
© 2021 Mathpresso Inc.
|
CEO Jongheun Lee, Yongjae Lee
|
17th Floor, WeWork Seolleung Station III, 428, Seolleung-ro, Gangnam-gu, Seoul
|
EMAIL support.en@mathpresso.com